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What is the minimum concentration of Mg2+ required to begin precipitating Mg(OH)2(s) in a solution of pH 10.82? For Mg(OH)2, Ksp = 1.8 × 10-11. A. 1.5 × 10-13 M B. 4.1 × 10-5 M C. 1.2 × 100 M D. 3.3 × 10-4 M E. 2.7 × 10-8 M
An electric power station annually burns 3.0 x 10^7 kg of coal containing 2.4 percent sulfur by mass. Calculate the volume of SO2 emitted at STP.
2K(s)+2H2O(l)--> 2KOH(aq) + H2(g) A 5.00 g chunk of potassium is dropped into 1.00 kg water at 24 deg C. What is the final temperature of the water after the preceding reaction occur.
50.0 mL of a 1.70 M solution is diluted to a volume of 248 mL. A 124-mL portion of that solution is diluted using 185 mL of water. What is the final concentration
What volume would be occupied by 100 g of oxygen gas at a pressure of 1.50 atm and a temperature for 25° c?
A piece of silver of mass 362 g has a heat capacity of 85.7 J/C (celsius degrees). What is the specific heat of silver?
Calculate the molar solubility of Ca(IO3)2 in each solution below. The Ksp of calcium iodate is 7.1x10^-7. a.) 0.065 M Ca(NO3)2 b.) 0.065 M NaIO3
What is the percent dissociation of HNO2 when 0.060g of sodium nitrate is added to 105.0 mL of 0.060 M HNO2 solution? Ka for HNO2 is 4.0 x 10^-4
(a) What is the product. (b) Provide a mechanism showing the formation of the product at a. (c) Suggest a more feasible synthesis condition for the conversion.
Consider the following reaction: 2H2O + 2SO2 2H2 + 3O2 A reaction mixture initially contains 2.8M H2O and 2.6 M SO2.
A bicycle tire is filled with air to a pressure of 95.0 psi at a temperature of 19 degrees celcius. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58 degrees celcius. The volume of the tire increases by 4.0%. What..
1. Draw the mechanism for the methanolysis of 1-bromo-1-methylcylohexane 2. Draw a free energy diagram for the above reaction
How much ice (in grams) would have to melt to lower the temperature of 355 mL of water from 26 degrees C to 6
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